package com.javabase.Object.ObjectMiddle.modifier;

public class A {
    // 4个属性，分别用不同的修饰符来访问
    public int a = 100;
    protected int b = 200;
    int c = 300;
    private int d = 400;

     void m() {
        System.out.println("a=" + a + "b=" + b + "c=" + c + "d=" + d);
    }
}
